Sapa Building Systems has launched a new 55mm window system specifically aimed at helping those customers that work in the commercial sector.

Forming part of the ongoing development and investment in the successful 'Dualframe' range, the timely launch of the 55mm system follows two years of strong growth in both the public and private commercial markets.

The high performance 55mm system can be used to form fixed lights, top and side hung and tilt-before-turn windows to suit the widest variety of applications and can also be incorporated into Sapa's recently launched MRV curtain walling system. The new range uses many of the same components and tooling as the rest of the Dualframe range, which uses a polyamide thermal barrier to ensure Part L compliance.